#
# Setup Locales and keyboard settings
#

# Load utility functions
. ./functions.sh

# Install and setup timezone
echo "${TIMEZONE}" > "${ETC_DIR}/timezone"
if [ -f "${ETC_DIR}/localtime" ]; then
    # 1. If 11-apt.sh upgrades the package 'tzdata', '/etc/localtime' was created
    #    because 'dpkg-reconfigure -f noninteractive tzdata' was executed by apt-get.
    # 2. If '/etc/localtime' exists, our execution of 'dpkg-reconfigure -f noninteractive tzdata' 
    #    will ignore the our timezone set in '/etc/timezone'.
    # 3. Removing /etc/localtime will solve this.
    rm -f "${ETC_DIR}/localtime"
fi
chroot_exec dpkg-reconfigure -f noninteractive tzdata

# Install and setup default locale and keyboard configuration
if [ "$(echo "$APT_INCLUDES" | grep ",locales")" ] ; then
  # Set locale choice in debconf db, even though dpkg-reconfigure ignores and overwrites them due to some bug
  # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684134 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685957
  # ... so we have to set locales manually
  if [ "$DEFLOCAL" = "en_US.UTF-8" ] ; then
    chroot_exec echo "locales locales/locales_to_be_generated multiselect ${DEFLOCAL} UTF-8 | debconf-set-selections"
  else
    # en_US.UTF-8 should be available anyway : https://www.debian.org/doc/manuals/debian-reference/ch08.en.html#_the_reconfiguration_of_the_locale
    chroot_exec echo "locales locales/locales_to_be_generated multiselect en_US.UTF-8 UTF-8, ${DEFLOCAL} UTF-8 | debconf-set-selections"
    sed -i "/en_US.UTF-8/s/^#//" "${ETC_DIR}/locale.gen"
  fi

  sed -i "/${DEFLOCAL}/s/^#//" "${ETC_DIR}/locale.gen"
  chroot_exec echo "locales locales/default_environment_locale select ${DEFLOCAL} | debconf-set-selections"
  chroot_exec locale-gen
  chroot_exec update-locale LANG="${DEFLOCAL}"

  # Install and setup default keyboard configuration
  if [ "$XKB_MODEL" != "" ] ; then
    sed -i "s/^XKBMODEL.*/XKBMODEL=\"${XKB_MODEL}\"/" "${ETC_DIR}/default/keyboard"
  fi
  if [ "$XKB_LAYOUT" != "" ] ; then
    sed -i "s/^XKBLAYOUT.*/XKBLAYOUT=\"${XKB_LAYOUT}\"/" "${ETC_DIR}/default/keyboard"
  fi
  if [ "$XKB_VARIANT" != "" ] ; then
    sed -i "s/^XKBVARIANT.*/XKBVARIANT=\"${XKB_VARIANT}\"/" "${ETC_DIR}/default/keyboard"
  fi
  if [ "$XKB_OPTIONS" != "" ] ; then
    sed -i "s/^XKBOPTIONS.*/XKBOPTIONS=\"${XKB_OPTIONS}\"/" "${ETC_DIR}/default/keyboard"
  fi
  chroot_exec dpkg-reconfigure -f noninteractive keyboard-configuration

  # Install and setup font console
  case "${DEFLOCAL}" in
    *UTF-8)
      sed -i 's/^CHARMAP.*/CHARMAP="UTF-8"/' "${ETC_DIR}/default/console-setup"
      ;;
    *)
      sed -i 's/^CHARMAP.*/CHARMAP="guess"/' "${ETC_DIR}/default/console-setup"
      ;;
  esac
  chroot_exec dpkg-reconfigure -f noninteractive console-setup
else # (no locales were installed)
  # Install POSIX default locale
  install_readonly files/locales/locale "${ETC_DIR}/default/locale"
fi
